Table 2.

FTIR absorption frequencies of functional groups in amine-terminated PANs and their antimicrobial polymers (II-X)

Functional groups	Wavenumber (cm-1)
	II	III	IV	V	VI	VII	VIII	IX	X
-CN stretching	2243	-	-	-	-	-	-	-	-
-C-H stretching	2940	2940	2940	2935	2935	2932	2938	2938	2938
–NH2 stretching	-	3415	3339	-	-	-	-	-	-
N–H stretching	-	1545	1561	1552	1531	1546	1453	1453	1450
Aromatic C-H bending		-		757	838	801	810	838	804
-OH stretching	-	-		-	3382	3239	-	3375	3414
=NH stretching	-	3415	3339	3422	3382	3239	3350	3375	3414
-C = N- stretching	-	-	-	1639	1638	1626	1606	1606	1621